. >> sreenivasan: the mayor of kandahar was assassinated in southern afghanistan today. a suicide bomber hid explosives in his turban, before blowing himself up inside a heavily-fortified government compound. it's the third taliban attack on an afghan powerbroker in the south in more than two weeks. the new u.s. ambassador to afghanistan ryan crocker said it's proof the taliban is so damaged, it can't carry out large-scale operations. he spoke today in kabul. >> they've had to kind of regroup and figure out what they can do and, in some cases, that has been assassination. we saw a very similar pattern in iraq. clearly, these are horrific attacks but they can also be interpreted as a sign of significant organizational weakness. >> sreenivasan: a taliban spokesman told the associated press the kandahar mayor was targeted for ordering the destruction of homes city officials claimed were illegally constructed. two children were killed during that demolition. the prime minister of norway today announced an independent commission will review how last week's twin attacks were a